VIRGINIA, Minn. (AP) — Two groups of campers were rescued after strong winds knocked down trees on them in northern Minnesota's Boundary Waters Canoe Area.

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In one incident, two women with serious injuries were flown from the Loon Lake area. The St. Louis County Rescue Squad says the women had trees lying on them for several hours. WDIO-TV reports others in the group had less severe injuries.

The sheriff's office says two campers in a group of 17 from Louisiana near Lady Boot Bay were injured when trees fell on their tents early Monday. The Star Tribune reports first responders took the two by ambulance to a Virginia, Minnesota, hospital for treatment of noncritical injuries.

The two are identified as 13-year-old Hayden Toups of Brusly, Louisiana, and 47-year-old Kirk Sanchez of Port Allen, Louisiana.